Those oval details look seemlessly integrated!
How did you make those?
The outer part of the grille in just a 0.5mm plastic oval with the grille slots in it. I lasered it but could easily enough scribe some styrene.
On the drive motor I basically built up some automotive body filler and flattened it off where the grille sits, glued the plastic grille on, did another smooth wipe of filler around the grille and sanded it all to shape.
Not really a Rembrandt creating shapes from body filler but it gets the job done.